Home / 1,536,541.76-2,120,415.36-892,021.76

Finding the Fourth Proportional to 1,536,541.76, 2,120,415.36 and 892,021.76

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Solution

The fourth proportional to 1,536,541.76, 2,120,415.36 and 892,021.76 is: 1,230,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,541.76 : 2,120,415.36 = 892,021.76 : x
  2. Step 2: Convert to fraction form
    1,536,541.76/2,120,415.36 = 892,021.76/x
  3. Step 3: Cross multiply
    1,536,541.76x = 2,120,415.36 × 892,021.76
  4. Step 4: Simplify right side
    1,536,541.76x = 1,891,456,641,358.23
  5. Step 5: Solve for x
    x = 1,891,456,641,358.23/1,536,541.76
  6. Step 6: Final answer
    x = 1,230,982.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.